Home / 649,576.06-974,613.66-457,634.98

Finding the Fourth Proportional to 649,576.06, 974,613.66 and 457,634.98

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Solution

The fourth proportional to 649,576.06, 974,613.66 and 457,634.98 is: 686,628.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,576.06 : 974,613.66 = 457,634.98 : x
  2. Step 2: Convert to fraction form
    649,576.06/974,613.66 = 457,634.98/x
  3. Step 3: Cross multiply
    649,576.06x = 974,613.66 × 457,634.98
  4. Step 4: Simplify right side
    649,576.06x = 446,017,302,801.83
  5. Step 5: Solve for x
    x = 446,017,302,801.83/649,576.06
  6. Step 6: Final answer
    x = 686,628.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.